elanmanager/impl/src/main/java/org/opendaylight/netvirt/elan/internal/ElanDpnInterfacesListener.java

   1 /*
   2  * Copyright (c) 2017 Ericsson and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.netvirt.elan.internal;
  10
  11 import static java.util.Collections.emptyList;
  12 import static org.opendaylight.netvirt.elan.utils.ElanUtils.requireNonNullElse;
  13
  14 import java.math.BigInteger;
  15 import java.util.List;
  16 import javax.annotation.PostConstruct;
  17 import javax.inject.Inject;
  18 import javax.inject.Singleton;
  19 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  20 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  21 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  22 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
  23 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  24 import org.opendaylight.netvirt.elan.cache.ElanInstanceCache;
  25 import org.opendaylight.netvirt.elan.utils.ElanUtils;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanDpnInterfaces;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesList;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.elan.dpn.interfaces.list.DpnInterfaces;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 @Singleton
  35 public class ElanDpnInterfacesListener
  36         extends AsyncDataTreeChangeListenerBase<DpnInterfaces, ElanDpnInterfacesListener> {
  37
  38     private static final Logger LOG = LoggerFactory.getLogger(ElanDpnInterfacesListener.class);
  39     private final DataBroker dataBroker;
  40     private final IInterfaceManager interfaceManager;
  41     private final ElanServiceProvider elanService;
  42     private final JobCoordinator jobCoordinator;
  43     private final ElanInstanceCache elanInstanceCache;
  44
  45     @Inject
  46     public ElanDpnInterfacesListener(final DataBroker dataBroker, final IInterfaceManager interfaceManager,
  47                                      final ElanServiceProvider elanService, final JobCoordinator jobCoordinator,
  48                                      final ElanInstanceCache elanInstanceCache) {
  49         this.dataBroker = dataBroker;
  50         this.interfaceManager = interfaceManager;
  51         this.elanService = elanService;
  52         this.jobCoordinator = jobCoordinator;
  53         this.elanInstanceCache = elanInstanceCache;
  54     }
  55
  56     @PostConstruct
  57     public void start() {
  58         registerListener(LogicalDatastoreType.OPERATIONAL, dataBroker);
  59     }
  60
  61     @Override
  62     public InstanceIdentifier<DpnInterfaces> getWildCardPath() {
  63         return InstanceIdentifier.builder(ElanDpnInterfaces.class).child(ElanDpnInterfacesList.class)
  64                 .child(DpnInterfaces.class).build();
  65     }
  66
  67     @Override
  68     protected void remove(InstanceIdentifier<DpnInterfaces> identifier, DpnInterfaces dpnInterfaces) {
  69
  70     }
  71
  72     @Override
  73     protected void update(InstanceIdentifier<DpnInterfaces> identifier, DpnInterfaces original,
  74                           DpnInterfaces update) {
  75         LOG.debug("received Dpninterfaces update event for dpn {}", update.getDpId());
  76         BigInteger dpnId = update.getDpId();
  77         String elanInstanceName = identifier.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
  78         ElanInstance elanInstance = elanInstanceCache.get(elanInstanceName).orNull();
  79
  80         if (elanInstance != null && !elanInstance.isExternal() && ElanUtils.isVlan(elanInstance)) {
  81             List<String> interfaces = requireNonNullElse(update.getInterfaces(), emptyList());
  82             // trigger deletion for vlan provider intf on the DPN for the vlan provider network
  83             if (interfaces.size() == 1 && interfaceManager.isExternalInterface(interfaces.get(0))) {
  84                 LOG.debug("deleting vlan prv intf for elan {}, dpn {}", elanInstanceName, dpnId);
  85                 jobCoordinator.enqueueJob(dpnId.toString(), () -> {
  86                     elanService.deleteExternalElanNetwork(elanInstance, dpnId);
  87                     return emptyList();
  88                 });
  89             }
  90         }
  91     }
  92
  93     @Override
  94     protected void add(InstanceIdentifier<DpnInterfaces> identifier, DpnInterfaces dpnInterfaces) {
  95         LOG.debug("received Dpninterfaces add event for dpn {}", dpnInterfaces.getDpId());
  96         BigInteger dpnId = dpnInterfaces.getDpId();
  97         String elanInstanceName = identifier.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
  98         ElanInstance elanInstance = elanInstanceCache.get(elanInstanceName).orNull();
  99
 100         // trigger creation of vlan provider intf for the vlan provider network
 101         // on br-int patch port for this DPN
 102         if (elanInstance != null && !elanInstance.isExternal() && ElanUtils.isVlan(elanInstance)) {
 103             jobCoordinator.enqueueJob(dpnId.toString(), () -> {
 104                 LOG.debug("creating vlan member intf for elan {}, dpn {}",
 105                         elanInstance.getPhysicalNetworkName(), dpnId);
 106                 elanService.createExternalElanNetwork(elanInstance, dpnId);
 107                 return emptyList();
 108             });
 109         }
 110     }
 111
 112     @Override
 113     protected ElanDpnInterfacesListener getDataTreeChangeListener() {
 114         return ElanDpnInterfacesListener.this;
 115     }
 116 }